Enhanced reactivity of cationic Au(μ-H)2MCp2 complexes (M = Mo and W) enabled by bulky tris-biaryl phosphines

Martina Landrini; Miquel Navarro; Jesús Campos; Luca Rocchigiani

doi:10.1039/D4DT03150D

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Enhanced reactivity of cationic Au(μ-H)₂MCp₂ complexes (M = Mo and W) enabled by bulky tris-biaryl phosphines†

Martina Landrini,

^ab Miquel Navarro,

^bcd Jesús Campos

*^b and Luca Rocchigiani

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Via Elce di Sotto 8, Perugia, Italy
E-mail: luca.rocchigiani@unipg.it

^b Instituto de Investigaciones Quimicas (IIQ), Departamento de Quimica Inorganica and Centro de Innovacion en Quimica Avanzada (ORFEO-CINQA), CSIC-Universidad de Sevilla, Sevilla 41092, Spain
E-mail: jesus.campos@iiq.csic.es

^c Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, Madrid 28049, Spain

^d Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain

Abstract

[(L1)Au(μ-H)₂MCp₂][BF₄] complexes (M = Mo and W) featuring cavity-shaped tris-2-(4,4′-di-tert-butylbi-phenylyl)phosphine (L1) have been isolated. The tungsten derivative showed a remarkably fast reactivity in photolytic hydride transfer to generate the mononuclear gold hydride (L1)AuH. Both bimetallic adducts trap Ag⁺ cations, forming unprecedented { [upper bond 1 start] Au(μ-H)M(μ-H)Ag [upper bond 1 end] } trimetallic assemblies with destabilized Au–M interactions.

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Article information

DOI: https://doi.org/10.1039/D4DT03150D
Article type: Communication
Submitted: 11 Nov 2024
Accepted: 29 Nov 2024
First published: 05 Dec 2024
This article is Open Access

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Dalton Trans., 2025,54, 898-902

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Enhanced reactivity of cationic Au(μ-H)₂MCp₂ complexes (M = Mo and W) enabled by bulky tris-biaryl phosphines

M. Landrini, M. Navarro, J. Campos and L. Rocchigiani, Dalton Trans., 2025, 54, 898 DOI: 10.1039/D4DT03150D

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